/*
 * @Author: your name
 * @Date: 2021-08-26 17:37:51
 * @LastEditTime: 2021-08-26 18:33:06
 * @LastEditors: Please set LastEditors
 * @Description: In User Settings Edit
 * @FilePath: \briup\5-javascript\day04\8-优先级.js
 */
var a;

function a() {
    return 'hhhhh';
}

console.log(a);
console.log(a());


func(a);
console.log(a);

function func(a) {
    console.log(a);
}
var a = 123;